Stent delivery system

A stent delivery system is configured so that its outer diameter can be reduced when the balloon is folded and the stent is mounted on the folded balloon. The stent delivery system includes a balloon (30) which is expandable by injection of fluid inside the balloon, and is folded in the form of stac...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	Kumazawa, Takashi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	A stent delivery system is configured so that its outer diameter can be reduced when the balloon is folded and the stent is mounted on the folded balloon. The stent delivery system includes a balloon (30) which is expandable by injection of fluid inside the balloon, and is folded in the form of stacked layers (34, 35) around an outer circumference of an elongated inner tube (60). The stent delivery system also includes a stent (70) having a plurality of annular parts, each formed with a wire in an annular shape and arranged in the direction of the axis of the stent, and a plurality of connecting parts connecting the neighboring annular parts. All the connecting parts are arranged on the outer circumference of the balloon in a manner that each of the connecting parts is positioned on a minimum-layered portion having the smallest number of stacked layers.